fix MC-221257 (#430)

Author: MicrocontrollersDev

PATCHED.md

@@ -66,6 +66,7 @@
 | Basic    | [MC-206705](https://bugs.mojang.com/browse/MC-206705) | Spyglasses stay in use in spectator mode                                                                                                       |
 | Basic    | [MC-206922](https://bugs.mojang.com/browse/MC-206922) | Items dropped by entities that are killed by lightning instantly disappear                                                                     |
 | Basic    | [MC-215530](https://bugs.mojang.com/browse/MC-215530) | The freezing effect isn't immediately removed when switching into spectator mode                                                               |
+| Basic    | [MC-221257](https://bugs.mojang.com/browse/MC-221257) | Shulker bullets don't produce bubble particles when moving through water                                                                       |
 | Basic    | [MC-223153](https://bugs.mojang.com/browse/MC-223153) | Block of Raw Copper uses stone sounds instead of copper sounds                                                                                 |
 | Basic    | [MC-224729](https://bugs.mojang.com/browse/MC-224729) | Partially generated chunks are not saved in some situations                                                                                    |
 | Basic    | [MC-231743](https://bugs.mojang.com/browse/MC-231743) | minecraft.used:minecraft.POTTABLE_PLANT doesn't increase when placing plants into flower pots                                                  |

src/main/java/dev/isxander/debugify/mixins/basic/mc221257/ShulkerBulletMixin.java

@@ -0,0 +1,37 @@
+package dev.isxander.debugify.mixins.basic.mc221257;
+
+import dev.isxander.debugify.fixes.BugFix;
+import dev.isxander.debugify.fixes.FixCategory;
+import net.minecraft.core.particles.ParticleTypes;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.projectile.Projectile;
+import net.minecraft.world.entity.projectile.ShulkerBullet;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.phys.Vec3;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@BugFix(id = "MC-221257", category = FixCategory.BASIC, env = BugFix.Env.SERVER, description = "Shulker bullets don't produce bubble particles when moving through water")
+@Mixin(ShulkerBullet.class)
+public abstract class ShulkerBulletMixin extends Projectile {
+    public ShulkerBulletMixin(EntityType<? extends Projectile> entityType, Level level) {
+        super(entityType, level);
+    }
+
+    /**
+     * Code taken from {@link net.minecraft.world.entity.projectile.AbstractArrow}
+     */
+    @Inject(method = "tick", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/entity/projectile/ShulkerBullet;setPos(Lnet/minecraft/world/phys/Vec3;)V"))
+    private void addMissingBubbleParticles(CallbackInfo ci) {
+        if (this.isInWater()) {
+            Vec3 vec3 = this.position();
+            Vec3 vec32 = this.getDeltaMovement();
+
+            for (int i = 0; i < 4; ++i) {
+                this.level().addParticle(ParticleTypes.BUBBLE, vec3.x - vec32.x * (double) 0.25F, vec3.y - vec32.y * (double) 0.25F, vec3.z - vec32.z * (double) 0.25F, vec32.x, vec32.y, vec32.z);
+            }
+        }
+    }
+}

src/main/resources/debugify.mixins.json

@@ -27,6 +27,7 @@
     "basic.mc206922.EntityMixin",
     "basic.mc206922.ItemEntityMixin",
     "basic.mc215530.ServerPlayerMixin",
+    "basic.mc221257.ShulkerBulletMixin",
     "basic.mc223153.BlocksMixin",
     "basic.mc224729.ChunkMapMixin",
     "basic.mc231743.FlowerPotBlockMixin",